You can use Galaxy S8 screen zoom to adjust the display of almost all pages (and all apps) in Samsung Galaxy S8 and S8+.

Galaxy S8 screen zoom is a customized Android Nougat feature of display size. But they are different in adjusting the size of app icons in home screen and apps screen, and in controlling the size of the lock screen keypad.

This Galaxy S8 how-to guide explains you what Galaxy S8 screen zoom is, when you need it, and how to use this feature in Samsung Galaxy S8 and S8+.

What is Galaxy S8 screen zoom? Why you need it?

Prior to Android Nougat, you can only adjust the font size for the system display (e.g., text size in Settings page).

And some system display settings are even hard-coded and you cannot change them at all. For example, the notification text does not change with font size in most Android phones.

So, in Android Nougat 7.0, Google added a feature named display size, with which you can adjust all display elements. And it works in all apps.

In Galaxy S8 and S8+, Samsung, as usual, customized display size and rebrand it as Galaxy S8 screen zoom.

In addition to changing the name from display size to screen zoom, Samsung also changed a few features in display size. For example:

Screen zoom does NOT affect lock screen keypad size in Galaxy S8 and S8+. Samsung hard-coded the keypad in Galaxy S8 lock screen. In stock Android Nougat, you can adjust the keypad size with display size.

Screen zoom does NOT affect app icon size in Galaxy S8 Home screen and Apps screen. In Galaxy S8, you need to use screen grid to adjust the app icon size. In stock Android Nougat, app icon

You can use Galaxy S8 quick settings bar to toggle on and toggle off some features on-the-fly.

Samsung Galaxy S8 and S8+ also have a full-page quick settings panel with more quick setting buttons for you to change the phone settings conveniently without opening phone settings.

This Galaxy S8 how-to guide explains the difference between quick settings bar and quick settings panel in Samsung Galaxy S8 and S8+, and how to use and customize Galaxy S8 quick settings in Galaxy S8 and S8+.

What is Galaxy S8 quick settings in Galaxy S8 and S8+?

Although you can change almost all settings of Galaxy S8 and S8+ in the Settings page, you may want to access some settings quickly, e.g., quickly toggle on/off WiFi or Bluetooth very often.

Galaxy S8 quick settings in Galaxy S8 and S8+ are exactly designed to address such demands.

Actually, this is a feature in almost all Android phones nowadays, although the implementation differs from manufacturers to manufacturers.

In Android Nougat, an additional quick settings bar was officially added to the notification panel.

But Samsung has used the quick settings bar for many years, together with the quick settings panel.

Anyway, Galaxy S8 quick settings includes two components:

Quick settings bar in notification panel.

Dedicated quick settings panel.

The quick settings bar offers more convenience for you to turn on/off some features. You may consider it as an quicker feature of quick settings panel.